Class: PuppetLibrary::Http::Cache::InMemory

Inherits:
Object
  • Object
show all
Defined in:
lib/puppet_library/http/cache/in_memory.rb

Defined Under Namespace

Classes: Entry, Reaper

Constant Summary collapse

ARBITRARY_CACHE_TTL_SECONDS = 
10

Instance Method Summary collapse

Constructor Details

#initialize(seconds_to_live = ARBITRARY_CACHE_TTL_SECONDS) ⇒ InMemory

Returns a new instance of InMemory.



22
23
24
 
# File 'lib/puppet_library/http/cache/in_memory.rb', line 22

def initialize(seconds_to_live = ARBITRARY_CACHE_TTL_SECONDS)
    @reaper = Reaper.new(seconds_to_live)
end

Instance Method Details

#clear ⇒ Object 



45
46
47
 
# File 'lib/puppet_library/http/cache/in_memory.rb', line 45

def clear
    @cache.clear
end

#get(key = "entry") ⇒ Object 



26
27
28
29
30
31
32
33
34
35
 
# File 'lib/puppet_library/http/cache/in_memory.rb', line 26

def get(key = "entry")
    entry = retrieve(key)
    if entry
        return entry.value unless @reaper.wants_to_kill? entry
    end

    value = yield
    save(key, Entry.new(value))
    return value
end

#retrieve(key) ⇒ Object 



37
38
39
 
# File 'lib/puppet_library/http/cache/in_memory.rb', line 37

def retrieve(key)
    cache[key]
end

#save(key, entry) ⇒ Object 



41
42
43
 
# File 'lib/puppet_library/http/cache/in_memory.rb', line 41

def save(key, entry)
    cache[key] = entry
end